Commit 5c04f551 authored by Vasiliy Kulikov's avatar Vasiliy Kulikov Committed by NeilBrown

md: check return code of read_sb_page

Function read_sb_page may return ERR_PTR(...). Check for it.
Signed-off-by: default avatarVasiliy Kulikov <segooon@gmail.com>
Cc: Neil Brown <neilb@suse.de>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarNeilBrown <neilb@suse.de>
parent db8d9d35
...@@ -1000,10 +1000,11 @@ static int bitmap_init_from_disk(struct bitmap *bitmap, sector_t start) ...@@ -1000,10 +1000,11 @@ static int bitmap_init_from_disk(struct bitmap *bitmap, sector_t start)
page = bitmap->sb_page; page = bitmap->sb_page;
offset = sizeof(bitmap_super_t); offset = sizeof(bitmap_super_t);
if (!file) if (!file)
read_sb_page(bitmap->mddev, page = read_sb_page(
bitmap->mddev->bitmap_info.offset, bitmap->mddev,
page, bitmap->mddev->bitmap_info.offset,
index, count); page,
index, count);
} else if (file) { } else if (file) {
page = read_page(file, index, bitmap, count); page = read_page(file, index, bitmap, count);
offset = 0; offset = 0;
......
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